Alert archive / Iowa / River Flood Watches in 2017

River Flood Watch 45, NWS Quad Cities, IA

May 1, 2017Lee County, Iowa; Hancock County, Illinois; Clark County, Missouri

NWS Quad Cities, IA issued this river flood watch at May 1, 2017, 11:01 AM CDT for Lee County, Iowa; Hancock County, Illinois; Clark County, Missouri. It took effect at May 2, 2017, 7:00 PM CDT. It was in force for 54 hr.

The area

The counties it named.

The facts

Issued: May 1, 2017, 11:01 AM CDT (16:01 UTC)
In effect from: May 2, 2017, 7:00 PM CDT
Expired: May 5, 2017, 1:00 AM CDT
In force: 54 hr
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Flood severity: None

Counties Lee County, IA, Hancock County, IL, Clark County, MO

The radar

The Quad Cities radar (KDVN), 145 km from the middle of the area, began a volume at 16:02 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The river

Written for the forecast point Mississippi River at Keokuk (EOKI4).

Action stage: 14 ft
Minor stage: 16 ft
Moderate stage: 17.5 ft
Major stage: 19 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Quad Cities, IA wrote its last area forecast discussion before this river flood watch went out at May 1, 7:05 AM CDT, 3 hours 56 minutes earlier.

Area forecast discussion, May 1, 7:05 AM CDT, 3 hours 56 minutes before

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Hazardous weather outlook, May 1, 4:47 AM CDT, 6 hours 14 minutes before

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In the hours before

Local storm report, May 1, 5:18 AM CDT, 5 hours 43 minutes before

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Local storm report, May 1, 5:27 AM CDT, 5 hours 34 minutes before

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Local storm report, May 1, 7:40 AM CDT, 3 hours 21 minutes before

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Local storm report, May 1, 8:36 AM CDT, 2 hours 25 minutes before

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Local storm report, May 1, 8:53 AM CDT, 2 hours 8 minutes before

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The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 30, 7:25 PM CDT	Special Weather Statement	DVN	Benton, Des Moines, Henry, Iowa, Jefferson, Johnson and 4 more	65 min
Apr 30, 8:14 PM CDT	Special Weather Statement	DVN	Benton, Buchanan, Cedar, Iowa, Johnson, Linn and 3 more	61 min
Apr 30, 7:42 PM CDT	Special Weather Statement	DVN	Bureau, Putnam	63 min
Apr 30, 8:24 PM CDT	Special Weather Statement	DVN	Carroll, Jo Daviess, Stephenson, Whiteside	51 min

Nearby

River Flood Watches in Iowa, 2017 River Flood Watches in Illinois, 2017 River Flood Watches in Missouri, 2017 Every river flood watch in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.